$ git clone -n https://gitee.com/src-opencloudos-rpms/glm.git /var/lib/mock/dist-oc9-build-127303-76628/root/chroot_tmpdir/scmroot/glm
Cloning into '/var/lib/mock/dist-oc9-build-127303-76628/root/chroot_tmpdir/scmroot/glm'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/glm
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f53e47 import glm-0.9.9.8-6.tl4